diff options
Diffstat (limited to 'src/dev/sparc/iob.cc')
| -rw-r--r-- | src/dev/sparc/iob.cc | 29 |
1 files changed, 24 insertions, 5 deletions
diff --git a/src/dev/sparc/iob.cc b/src/dev/sparc/iob.cc index 2cff02a99..6bd40b631 100644 --- a/src/dev/sparc/iob.cc +++ b/src/dev/sparc/iob.cc @@ -38,6 +38,7 @@ #include <cstring> #include "arch/sparc/isa_traits.hh" +#include "arch/sparc/faults.hh" #include "base/trace.hh" #include "cpu/intr_control.hh" #include "dev/sparc/iob.hh" @@ -45,6 +46,7 @@ #include "mem/port.hh" #include "mem/packet_access.hh" #include "sim/builder.hh" +#include "sim/faults.hh" #include "sim/system.hh" Iob::Iob(Params *p) @@ -261,13 +263,30 @@ Iob::receiveDeviceInterrupt(DeviceId devid) void Iob::generateIpi(Type type, int cpu_id, int vector) { - // Only handle interrupts for the moment... Cpu Idle/reset/resume will be - // later - if (type != 0) + SparcISA::SparcFault<SparcISA::PowerOnReset> *por = new SparcISA::PowerOnReset(); + if (cpu_id >= sys->getNumCPUs()) return; - assert(type == 0); - ic->post(cpu_id, SparcISA::IT_INT_VEC, vector); + switch (type) { + case 0: // interrupt + ic->post(cpu_id, SparcISA::IT_INT_VEC, vector); + break; + case 1: // reset + warn("Sending reset to CPU: %d\n", cpu_id); + if (vector != por->trapType()) + panic("Don't know how to set non-POR reset to cpu\n"); + por->invoke(sys->threadContexts[cpu_id]); + sys->threadContexts[cpu_id]->activate(); + break; + case 2: // idle -- this means stop executing and don't wake on interrupts + sys->threadContexts[cpu_id]->halt(); + break; + case 3: // resume + sys->threadContexts[cpu_id]->activate(); + break; + default: + panic("Invalid type to generate ipi\n"); + } } bool |